computer plotting
| matrix system
| computer plotting abbr. | |
| bridg.constr. | 计算机制图 |
| matrix system abbr. | |
| el. | 矩阵系统 |
| |||
| 计算机制图 | |||
| 计算机标图 | |||
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computer plotting : 7 phrases in 3 subjects |
| Earth sciences | 2 |
| Space | 2 |
| Technology | 3 |